S&F Logic Puzzle Building Blocks, 5 Difficulty Levels, 80 Questions, Educational Toy, Brain Training (White & Green)

Package contents: 1 base, 16 black and white pieces, 40 puzzle cards (80 questions total). Overseas package. No Japanese instructions. *Package contents may change without notice. However, the contents of the product will not change. How to play: Use all the black and white pieces to complete the design on the puzzle card. There are 5 difficulty levels. Start with ★1. Fun for all ages. Play alone or against others (two sets are required for matches). Recommended for use in various places such as after-school classes and nursing homes to liven things up. If there is any problem with the product, please contact us through your order history.